Extreme Max Power Wheels Drivable Snowmobile Dollies Wide. Whether you're moving your sled on grass and dirt or on a paved surface like concrete or asphalt Power Wheels Drivable Snowmobile Dollies help you move your sled at speeds up to 5 MPH. The set includes two ski dollies with cotter pin wheel assembly and a track dolly with a caster wheel for non-motorized use. Drive or slide your sled into the shop up a trailer or reverse into tight spaces for storage. Improved design incorporates a 31percent wider wheel base for increased stability. Two-year warranty. Specifications for Extreme Max 5800.0203 Power Wheels Drivable Snowmobile Dollies Wide: Manufacturer: Extreme Max Condition: New Features of Extreme Max 5800.0203 Power Wheels Drivable Snowmobile Dollies Wide Drivable steerable dollies work on grass pavement gravel and dirt at speeds up to 5 MPH Oversized 5" wheels with cotter pin assembly Improved 31percent wider wheel base for increased stability Includes two standard ski dollies (for skis over 7" wide) and a track dolly for motorized and unmotorized use Two-year limited warranty Package Contents: Extreme Max 5800.0203 Power Wheels Drivable Snowmobile Dollies Wide Extreme Max 5800.0203: Power Wheels Drivable Snowmobile Dollies Wide